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GB2572550B - Optical device and method of manufacture thereof - Google Patents

Optical device and method of manufacture thereof Download PDF

Info

Publication number
GB2572550B
GB2572550B GB1805055.9A GB201805055A GB2572550B GB 2572550 B GB2572550 B GB 2572550B GB 201805055 A GB201805055 A GB 201805055A GB 2572550 B GB2572550 B GB 2572550B
Authority
GB
United Kingdom
Prior art keywords
manufacture
optical device
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1805055.9A
Other versions
GB201805055D0 (en
GB2572550A (en
Inventor
Godfrey John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De la Rue International Ltd
Original Assignee
De la Rue International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by De la Rue International Ltd filed Critical De la Rue International Ltd
Priority to GB1805055.9A priority Critical patent/GB2572550B/en
Publication of GB201805055D0 publication Critical patent/GB201805055D0/en
Priority to EP19716229.0A priority patent/EP3774373B8/en
Priority to PCT/GB2019/050884 priority patent/WO2019186165A1/en
Priority to CA3095257A priority patent/CA3095257A1/en
Priority to US17/040,919 priority patent/US20210370701A1/en
Priority to AU2019244401A priority patent/AU2019244401A1/en
Publication of GB2572550A publication Critical patent/GB2572550A/en
Application granted granted Critical
Publication of GB2572550B publication Critical patent/GB2572550B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/148—Transitory images, i.e. images only visible from certain viewing angles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/328—Diffraction gratings; Holograms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/373—Metallic materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • G02B5/286—Interference filters comprising deposited thin solid films having four or fewer layers, e.g. for achieving a colour effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/425—Marking by deformation, e.g. embossing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Accounting & Taxation (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Credit Cards Or The Like (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
GB1805055.9A 2018-03-28 2018-03-28 Optical device and method of manufacture thereof Active GB2572550B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1805055.9A GB2572550B (en) 2018-03-28 2018-03-28 Optical device and method of manufacture thereof
US17/040,919 US20210370701A1 (en) 2018-03-28 2019-03-28 Optical device and method of manufacture thereof
PCT/GB2019/050884 WO2019186165A1 (en) 2018-03-28 2019-03-28 Optical device and method of manufacture thereof
CA3095257A CA3095257A1 (en) 2018-03-28 2019-03-28 Optical device and method of manufacture thereof
EP19716229.0A EP3774373B8 (en) 2018-03-28 2019-03-28 Optical device and method of manufacture thereof
AU2019244401A AU2019244401A1 (en) 2018-03-28 2019-03-28 Optical device and method of manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1805055.9A GB2572550B (en) 2018-03-28 2018-03-28 Optical device and method of manufacture thereof

Publications (3)

Publication Number Publication Date
GB201805055D0 GB201805055D0 (en) 2018-05-09
GB2572550A GB2572550A (en) 2019-10-09
GB2572550B true GB2572550B (en) 2020-07-22

Family

ID=62068236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1805055.9A Active GB2572550B (en) 2018-03-28 2018-03-28 Optical device and method of manufacture thereof

Country Status (6)

Country Link
US (1) US20210370701A1 (en)
EP (1) EP3774373B8 (en)
AU (1) AU2019244401A1 (en)
CA (1) CA3095257A1 (en)
GB (1) GB2572550B (en)
WO (1) WO2019186165A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2992060A1 (en) 2015-07-13 2017-01-19 Wavefront Technology, Inc. Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products
CA3015684C (en) 2016-04-22 2025-09-09 Wavefront Technology, Inc. Optical switch devices
CN111132852A (en) 2017-10-20 2020-05-08 伟福夫特科技公司 Optical switching device
CA3134512A1 (en) * 2019-04-19 2020-10-22 Wavefront Technology, Inc. Optical switch devices
GB2585703B (en) * 2019-07-12 2023-02-22 De La Rue Int Ltd Security devices and methods of manufacture
DE102019008250A1 (en) 2019-11-27 2021-05-27 Giesecke+Devrient Currency Technology Gmbh Security element with tilt-dependent display of motifs
FR3107004B1 (en) * 2020-02-12 2025-03-28 Ccl Secure Pty OPTICAL EFFECT DEVICE
US12253691B2 (en) 2020-10-07 2025-03-18 Wavefront Technology, Inc. Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products
US12360391B2 (en) 2020-10-07 2025-07-15 Wavefront Technology, Inc. Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products
DE102021002333A1 (en) * 2021-05-03 2022-11-03 Giesecke+Devrient Currency Technology Gmbh OPTICALLY VARIABLE SECURITY ELEMENT AND VALUABLE DOCUMENT WITH THE OPTICALLY VARIABLE SECURITY ELEMENT

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130182300A1 (en) * 2010-10-13 2013-07-18 Matthias Müller Security element with achromatic features
US20170087918A1 (en) * 2011-06-23 2017-03-30 Viavi Solutions Inc. Security device
WO2017184581A1 (en) * 2016-04-22 2017-10-26 Wavefront Technology, Inc. Optical switch devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0504959D0 (en) * 2005-03-10 2005-04-20 Rue International De La Ltd Security device based on customised microprism film
GB2454752B (en) * 2007-11-19 2012-05-23 Rue De Int Ltd Improvements in security devices
EP2161598B2 (en) * 2008-09-05 2021-06-09 Viavi Solutions Inc. An Optical Device Exhibiting Color Shift upon Rotation
DE102009056934A1 (en) * 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Security element, value document with such a security element and manufacturing method of a security element
WO2013022699A1 (en) * 2011-08-05 2013-02-14 Technical Graphics, Inc. A method for producing complex color shifting effects
AU2015258768A1 (en) * 2014-05-16 2016-12-01 Ccl Secure Pty Ltd Hybrid security device for security document or token

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130182300A1 (en) * 2010-10-13 2013-07-18 Matthias Müller Security element with achromatic features
US20170087918A1 (en) * 2011-06-23 2017-03-30 Viavi Solutions Inc. Security device
WO2017184581A1 (en) * 2016-04-22 2017-10-26 Wavefront Technology, Inc. Optical switch devices

Also Published As

Publication number Publication date
GB201805055D0 (en) 2018-05-09
EP3774373C0 (en) 2023-06-07
EP3774373B8 (en) 2023-07-19
US20210370701A1 (en) 2021-12-02
WO2019186165A1 (en) 2019-10-03
CA3095257A1 (en) 2019-10-03
AU2019244401A1 (en) 2020-10-08
EP3774373A1 (en) 2021-02-17
EP3774373B1 (en) 2023-06-07
GB2572550A (en) 2019-10-09

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